Class: Locomotive::RelationalAlgebra::Nil

Inherits:

Leaf

• Object
• RelAlgAstNode
• Operator
• Leaf
• Locomotive::RelationalAlgebra::Nil

Defined in:

lib/locomotive/relational_algebra/operators/tables/nil.rb

Instance Attribute Summary

Attributes inherited from Operator

#schema

Attributes included from AstHelpers::AstNode

#kind, #left_child, #owner, #right_child, #value

Instance Method Summary

• #clone ⇒ Object

Methods inherited from Leaf

#initialize, #set

Methods inherited from Operator

#bound, #free, #initialize, #to_xml, #xml_content, #xml_kind, #xml_schema

Methods included from XML

included, #quote, #to_xml

Methods included from AstHelpers::Annotations

#method_missing, #respond_to?

Methods included from AstHelpers::AstNode

#has_left_child?, #has_right_child?, #initialize, #is_leaf?, #traverse, #traverse_strategy=

Constructor Details

This class inherits a constructor from Locomotive::RelationalAlgebra::Leaf

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Locomotive::AstHelpers::Annotations

Instance Method Details

#clone ⇒ Object

# File 'lib/locomotive/relational_algebra/operators/tables/nil.rb', line 6

def clone
  Nil.new
end